再补充一下,我用reg回归之后再用VIF检验得到如下的结果:
vif
Variable | VIF 1/VIF
-------------+----------------------
nonstate | 3.24 0.309034
prora1 | 1.10 0.911857
finance1 | 1.05 0.950270
lngdp | 1.26 0.795935
age | 1.54 0.650640
public | 3.17 0.315775
nature | 1.64 0.610988
lnsize | 1.69 0.592316
reputation | 1.23 0.809919
debt | 1.09 0.915292
ind | 1.11 0.896897
year |
2008 | 2.53 0.395423
2009 | 4.28 0.233418
2010 | 8.35 0.119725
2011 | 11.86 0.084282
2012 | 13.60 0.073530
2013 | 14.57 0.068650
-------------+----------------------
Mean VIF | 4.31
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